00653nam a2200193Ia 4500003000900000008004100009040001600050080001600066100002100082245013700103260006800240300001500308490001700323650004100340650002400381650002000405650001300425700002100438IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52-732bFIC  aFichtel, Carl E. 0aGamma ray astrophysicsbnew insight into the universecCarl E. Fichtel and Jacob I. Trombka                                           aWashingtonbNational Aeronautics and Space Administrationc1981  axii, 401p.  aNASA SP; 453  aAstronomy and astrophysics thesaurus  aGamma ray astronomy  aSpace astronomy  aUniverse  aTrombka, Jacob I